When we talk about quantitative studies I think we talk about the exact facts and by taking them of the hand of qualitative studies ones gives us a broader perspective of panorama that we study, as well as the changes in interpretation that the information has. Nowadays, social networks have become the most used means to debate opinions on some topic and that is why I consider that this example about the investigation of tweets that talk about the subject "nuclear" power plant, has served us to enrich our knowledge about the research Quali-quantitative of the information and how to network a bigger picture of opinions in whole world.